These are compatible Canon BCI-21 / BCI-24 inkjet cartridges guaranteed to perform with Canon inkjet printers. It replaces the genuine (OEM) Canon BCI-21 / BCI-24 ink cartridges. These inkjet cartridges are made with top quality ink to give you the highest quality printouts every time. These compatible Canon BCI-21 / BCI-24 inkjet cartridges are specially engineered to meet or exceed the highest standards of quality, reliability and page yields. Although these cartridge are not made or endorsed by Canon, it offers customers an economical alternative to expensive OEM Canon BCI-21 / BCI-24 cartridges and comes with our satisfaction guarantee.